<span>Of
course, compounds have entirely different chemical properties from the
elements that make them up. Remember that compounds are the results of
chemical changes. These chemical changes involve chemical reactions
between two or more substances. During these changes, atoms are
rearranged to form new products completely different from the starting
ones. However, the total mass of the substances before the reaction and
substances after the reaction still stay the same.
Remember too that stuff combined chemically cannot be separated
physically. They need to be separated chemically and under certain
conditions. </span>
Answer: "selective permeability" .
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Answer:
I believe the answer is 2,400 watts or 2.4 kilowatts.